Patents by Inventor Moran HA

Moran HA has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20260150497
    Abstract: A light emitting element includes a first electrode, a hole transport region on the first electrode, an emission layer on the hole transport region, an electron transport region on the emission layer, a second electrode on the electron transport region, and a capping layer on the second electrode. The second electrode includes a silver-magnesium alloy having a higher silver content (e.g., amount) than a magnesium content (e.g., amount). A thickness of the second electrode is about 30 ? to about 105 ?, the capping layer has a refractive index of about 2.2 to about 2.5, and a thickness of the capping layer is about 200 ? to about 500 ?.
    Type: Application
    Filed: April 14, 2025
    Publication date: May 28, 2026
    Inventors: WONJONG KIM, HYUNBIN PARK, BYEONGWOOK YOO, YEONHWA LEE, MORAN HA, JAEHEUNG HA
  • Patent number: 12598915
    Abstract: Embodiments provide a condensed cyclic compound, a light-emitting device that includes the condensed cyclic compound, and an electronic apparatus that includes the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode, wherein the interlayer includes an emission layer, and at least one of the condensed cyclic compound.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: April 7, 2026
    Assignee: Samsung Display Co., Ltd.
    Inventors: Chanseok Oh, Seran Kim, Sunyoung Pak, Kyoung Sunwoo, Munki Sim, Moran Ha
  • Publication number: 20250366304
    Abstract: Embodiments provide a light emitting element and an electric device including the light emitting element. The light emitting element includes a first electrode, a hole transport region, an emission layer, an electron transport region, and a second electrode. The hole transport region includes a hole injection layer, at least one hole transport layer, and an electron blocking layer having a first negative giant surface potential; and the electron transport region includes at least one electron transport layer and an electron injection layer. In case that the light emitting element includes a plurality of hole transport layers, a hole transport layer adjacent to the emission layer has a second negative giant surface potential, and in case that the light emitting element includes a plurality of the electron transport layers, an electron transport layer adjacent to the second electrode has a first positive giant surface potential.
    Type: Application
    Filed: May 15, 2025
    Publication date: November 27, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: HYOSUP SHIN, TSUYOSHI NAIJO, SUNG-SOO BAE, JIYOUNG LEE, CHANGWOONG CHU, MORAN HA
  • Publication number: 20250311626
    Abstract: A heterocyclic compound represented by Formula 1, and a light-emitting device, an electronic apparatus, and electronic equipment, each including the heterocyclic compound are provided.
    Type: Application
    Filed: October 25, 2024
    Publication date: October 2, 2025
    Inventors: Moran Ha, Tsuyoshi Naijo, Hyukgi Min, Sungsoo Bae, Hyosup Shin, Jiyoung Lee, Changwoong Chu
  • Publication number: 20250287840
    Abstract: Embodiments provide a light-emitting element and a display device that includes the light-emitting element. The light-emitting element includes a first electrode, a second electrode disposed on the first electrode, and a light-emitting layer disposed between the first electrode and the second electrode. The light-emitting layer includes a hole-transporting host compound, an electron-transporting host compound, a phosphorescent compound, and a fluorescent compound, wherein at least one of the hole-transporting host compound and the electron-transporting host compound has a lower giant surface potential than the phosphorescent compound.
    Type: Application
    Filed: February 28, 2025
    Publication date: September 11, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: TSUYOSHI NAIJO, SUNG-SOO BAE, HYOSUP SHIN, JIYOUNG LEE, CHANGWOONG CHU, MORAN HA
  • Publication number: 20250287841
    Abstract: Embodiments provide a light-emitting device, an electronic apparatus including the light-emitting device, and an electronic equipment including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer. The interlayer includes an organic compound including a boron (B) atom, wherein the organic compound satisfies Expression 1: k ISC / k RISC ? 10 [ Expression ? 1 ] In Expression 1, kISC is an intersystem crossing rate constant of the organic compound, and kRISC is a reverse intersystem crossing rate constant of the organic compound.
    Type: Application
    Filed: December 19, 2024
    Publication date: September 11, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jiyoung Lee, Tsuyoshi Naijo, Hyukgi Min, Sungsoo Bae, Hyosup Shin, Changwoong Chu, Moran Ha
  • Publication number: 20250275473
    Abstract: Embodiments provide a heterocyclic compound, a light-emitting device including the heterocyclic compound, an electronic apparatus including the light-emitting device, and an electronic equipment including the light-emitting device. The heterocyclic compound includes an electron donor moiety including nitrogen, an electron acceptor moiety including boron, and a spiro core atom, wherein the spiro core atom is bonded to the electron donor moiety via a first bond and a second bond, and the spiro core atom is bonded to the electron acceptor moiety via a third bond and a fourth bond. The first bond, the second bond, the third bond, and the fourth bond are each a single bond, and the heterocyclic compound satisfies at least one of Conditions 1 to 3, which are explained in the specification.
    Type: Application
    Filed: October 9, 2024
    Publication date: August 28, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyukgi Min, Tsuyoshi Naijo, Sungsoo Bae, Hyosup Shin, Jiyoung Lee, Changwoong Chu, Moran Ha
  • Publication number: 20250261559
    Abstract: A light-emitting device having an emission layer that includes a hole-transporting host, an electron-transporting host, a sensitizer, and a delayed fluorescence dopant is provided. The hole-transporting host and the electron-transporting host form an exciplex, ?EST indicating an energy gap between E(1CT) and E(3CT) of the exciplex is 0.3 eV or more, and a ratio of a delayed fluorescence photoluminescence quantum yield (PLQY) to a PLQY of the exciplex is 20% or less.
    Type: Application
    Filed: October 2, 2024
    Publication date: August 14, 2025
    Inventors: Jiyoung Lee, Tsuyoshi Naijo, Hyukgi Min, Sungsoo Bae, Hyosup Shin, Changwoong Chu, Moran Ha
  • Publication number: 20250204246
    Abstract: A light-emitting device includes an anode, a cathode facing the anode, and an interlayer between the anode and the cathode and including an emission layer, wherein the emission layer includes a first host, a second host, a first dopant, and a second dopant, the first host and the second host are combined together with each other to form an exciplex host, the first dopant is a metal complex, the second dopant is a boron-containing compound, and Conditions 1) to 3) are satisfied. 1 ) ? T 1 ( HE ) > T 1 ( D ? 1 ) > T 1 ( D ? 2 ) , 2) As a temperature of the emission layer increases from room temperature, the value of knrs is constant, and 3) As a temperature of the emission layer increases from room temperature, the value of knrT increases.
    Type: Application
    Filed: June 25, 2024
    Publication date: June 19, 2025
    Inventors: Jiyoung Lee, Tsuyoshi Naijo, Sungsoo Bae, Hyosup Shin, Changwoong Chu, Moran Ha
  • Publication number: 20250143172
    Abstract: Embodiments provide a light-emitting device, an electronic apparatus that includes the light-emitting device, and an electronic equipment that includes light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, a first compound that is a hole-transporting compound, a second compound that is an electron-transporting compound, a third compound including at least one nitrogen atom (N) as a ring-forming atom, and a fourth compound that is a nitrogen-containing compound.
    Type: Application
    Filed: October 30, 2024
    Publication date: May 1, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jiyoung Lee, Tsuyoshi Naijo, Sungsoo Bae, Hyosup Shin, Changwoong Chu, Moran Ha
  • Publication number: 20250127049
    Abstract: Embodiments provide a composition, a light-emitting device that includes the composition, an electronic apparatus that includes the light-emitting device, and an electronic equipment that includes the electronic apparatus.
    Type: Application
    Filed: October 15, 2024
    Publication date: April 17, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Hyunah Um, Hyeongmin Kim, Heechoon Ahn, Juhui Yun, Yeseul Lee, Moran Ha
  • Publication number: 20250120313
    Abstract: Embodiments provide a light-emitting device that includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode. The interlayer includes an emission layer, a first compound that is a hole-transporting compound, a second compound that is an electron-transporting compound, a third compound that is an organometallic compound, and a fourth compound that is a boron-containing compound. The fourth compound has a difference (?EST) between a lowest excitation singlet energy level and a lowest excitation triplet energy level less than or equal to about 0.4 eV; and the light-emitting device satisfies Condition 1 or Condition 2, which are explained in the specification: KFRET>Krt??[Condition 1] R0>RDA.
    Type: Application
    Filed: September 12, 2024
    Publication date: April 10, 2025
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jiyoung Lee, Tsuyoshi Naijo, Seran Kim, Sungsoo Bae, Hyosup Shin, Changwoong Chu, Moran Ha
  • Publication number: 20250089554
    Abstract: A light-emitting element is provided, the light-emitting element including a first electrode, a second electrode disposed on the first electrode, and a functional layer disposed between the first electrode and the second electrode, the functional layer contains a first compound represented by Formula 1. The light-emitting element may exhibit characteristics of excellent or suitable color reproducibility and long lifespan.
    Type: Application
    Filed: August 23, 2024
    Publication date: March 13, 2025
    Inventors: YOUNGJIN PARK, HEECHOON AHN, HYUNAH UM, YESEUL LEE, SEOWON CHO, MORAN HA
  • Publication number: 20240357922
    Abstract: A light emitting element includes a first electrode, a second electrode on the first electrode, and at least one functional layer between the first electrode and the second electrode. The at least one functional layer includes a first compound represented by Formula 1.
    Type: Application
    Filed: January 10, 2024
    Publication date: October 24, 2024
    Inventors: JIYONG CHOI, YOUNGJIN PARK, HEECHOON AHN, JUHUI YUN, YESEUL LEE, SEOWON CHO, MORAN HA
  • Publication number: 20240341180
    Abstract: Embodiments provide a light-emitting device including a heterocyclic compound, an electronic apparatus including the light-emitting device. The light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including an emission layer.
    Type: Application
    Filed: March 11, 2024
    Publication date: October 10, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Moran Ha, Heechoon Ahn, Juhui Yun, Yeseul Lee, Seowon Cho, Jiyong Choi
  • Publication number: 20240334826
    Abstract: Provided are a light-emitting device including a heterocyclic compound represented by Formula 1 and an electronic device including the light-emitting device. In addition, provided is the heterocyclic compound represented by Formula 1. The detailed description of Formula 1 is as set forth in the present specification.
    Type: Application
    Filed: March 19, 2024
    Publication date: October 3, 2024
    Inventors: Juhui Yun, Youngjin Park, Heechoon Ahn, Yeseul Lee, Jiyong Choi, Moran Ha
  • Publication number: 20240324453
    Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, an interlayer between the first electrode and the second electrode and including an emission layer, and a heterocyclic compound represented by Formula 1. In addition, an electronic device including the light-emitting device and the heterocyclic compound represented by Formula 1 are also provided.
    Type: Application
    Filed: March 7, 2024
    Publication date: September 26, 2024
    Inventors: Heechoon Ahn, Hyeongmin Kim, Juhui Yun, Hyoyoung Lee, Jiyong Choi, Moran Ha
  • Publication number: 20240292742
    Abstract: A light-emitting device includes a first electrode, a second electrode facing the first electrode, and an interlayer between the first electrode and the second electrode and including a heterocyclic compound represented by Formula 1. In addition, an electronic apparatus including the light-emitting device, and the heterocyclic compound represented by Formula 1 are also provided.
    Type: Application
    Filed: January 12, 2024
    Publication date: August 29, 2024
    Inventors: Youngjin Park, Hyeongmin Kim, Heechoon Ahn, Hyoyoung Lee, Jiyong Choi, Moran Ha
  • Publication number: 20240268228
    Abstract: A composition including a first compound represented by Formula 1 and a second compound represented by Formula 2, a light-emitting device including the composition, and an electronic apparatus including the light-emitting device are provided.
    Type: Application
    Filed: December 15, 2023
    Publication date: August 8, 2024
    Inventors: Moran Ha, Heechoon Ahn, Hyunah Um, Yeseul Lee, Seowon Cho, Jiyong Choi
  • Publication number: 20240260290
    Abstract: A composition includes a first compound represented by Formula 1 and a second compound represented by Formula 2. A light-emitting device includes the two compounds, a first electrode, a second electrode facing the first electrode, and an interlayer including an emission layer, and an electronic apparatus and electronic equipment each including the light-emitting device. The triplet (T1) energy levels of the two compounds are configured such that the luminescence efficiency and lifetime of the light-emitting device may be enhanced or improved.
    Type: Application
    Filed: January 8, 2024
    Publication date: August 1, 2024
    Inventors: Jiyong Choi, Heechoon Ahn, Hyunah Um, Yeseul Lee, Hyoyoung Lee, Seowon Cho, Moran Ha